Basic Description

Synonyms	Alum, potassium (USP) \| Aluminium potassium sulfate dodecahydrate \| Aluminum potassiun sulfate dodecahydrate \| Aluminumpotassiumsulfatedodecahydrate \| ALUMINIUM POTASSIUM SULFATE (1:1:2) DODECAHYDRATE \| MFCD00149143 \| Alum, potassium, dodecahydrate \| CHEB
Specifications & Purity	UltraBio™, Ultra pure, ≥98%
Storage Temp	Store at 2-8°C,Desiccated
Shipped In	Wet ice This product requires cold chain shipping. Ground and other economy services are not available.
Grade	Ultra pure, UltraBio™

Taxonomic Classification

Taxonomy Tree

Kingdom Inorganic compounds
- Superclass Mixed metal/non-metal compounds
  - Class Post-transition metal oxoanionic compounds
    - Subclass Post-transition metal sulfates

Kingdom	Inorganic compounds
Superclass	Mixed metal/non-metal compounds
Class	Post-transition metal oxoanionic compounds
Subclass	Post-transition metal sulfates
Intermediate Tree Nodes	Not available
Direct Parent	Post-transition metal sulfates
Alternative Parents	Post-transition metal salts Inorganic salts Inorganic oxides
Molecular Framework	Not available
Substituents	Post-transition metal sulfate - Inorganic post-transition metal salt - Inorganic oxide - Inorganic salt
Description	This compound belongs to the class of inorganic compounds known as post-transition metal sulfates. These are inorganic compounds in which the largest oxoanion is sulfate, and in which the heaviest atom not in an oxoanion is a post-transition metal.
External Descriptors	potassium salt - hydrate - metal sulfate - aluminium salt
1. Djoumbou Feunang Y, Eisner R, Knox C, Chepelev L, Hastings J, Owen G, Fahy E, Steinbeck C, Subramanian S, Bolton E, Greiner R, and Wishart DS. ClassyFire: Automated Chemical Classification With A Comprehensive, Computable Taxonomy. Journal of Cheminformatics, 2016, 8:61. DOI: 10.1186/s13321-016-0174-y

Names and Identifiers

IUPAC Name	aluminum;potassium;disulfate;dodecahydrate
INCHI	InChI=1S/Al.K.2H2O4S.12H2O/c;;21-5(2,3)4;;;;;;;;;;;;/h;;2(H2,1,2,3,4);12*1H2/q+3;+1;;;;;;;;;;;;;;/p-4
InChIKey	GNHOJBNSNUXZQA-UHFFFAOYSA-J
Smiles	O.O.O.O.O.O.O.O.O.O.O.O.[O-]S(=O)(=O)[O-].[O-]S(=O)(=O)[O-].[Al+3].[K+]
Isomeric SMILES	O.O.O.O.O.O.O.O.O.O.O.O.[O-]S(=O)(=O)[O-].[O-]S(=O)(=O)[O-].[Al+3].[K+]
WGK Germany	3
RTECS	WS5690000
Alternate CAS	10043-67-1
Molecular Weight	474.39
Reaxy-Rn	14851666
Reaxys-RN_link_address	https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=14851666&ln=

Certificates（CoA,COO,BSE/TSE and Analysis Chart)

C of A & Other Certificates(BSE/TSE, COO):

Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

2 results found

Lot Number	Certificate Type	Date	Item
K2308033	Certificate of Analysis	Nov 09, 2023	A434084
K2308028	Certificate of Analysis	Nov 09, 2023	A434084

Chemical and Physical Properties

Solubility	H2O: 0.5M, clear, colorless
Sensitivity	Moisture & Heat sensitive
Melt Point(°C)	92.5°C
Molecular Weight	474.400 g/mol
XLogP3
Hydrogen Bond Donor Count	12
Hydrogen Bond Acceptor Count	20
Rotatable Bond Count	0
Exact Mass	473.975 Da
Monoisotopic Mass	473.975 Da
Topological Polar Surface Area	189.000 Å²
Heavy Atom Count	24
Formal Charge	0
Complexity	62.200
Isotope Atom Count	0
Defined Atom Stereocenter Count	0
Undefined Atom Stereocenter Count	0
Defined Bond Stereocenter Count	0
Undefined Bond Stereocenter Count	0
The total count of all stereochemical bonds	0
Covalently-Bonded Unit Count	16

Citations of This Product

How to Cite Aladdin Scientific Products?

1. Xiaoqian Feng, Yilin Zhao, Shenghua Liu, Kun Wang, Baoshan Liu, Qijian Zhang, Huan Wang, Yonghua Zhao, Jing Liu, Peng Zhang, Lian Gao. (2024) Flower-like hollow Ni0.5/xMgO-Al2O3 catalysts with excellent stability for dry reforming of methane: The role of Mg addition. FUEL, 358 (130029).
2. Ye Jiang, Xiaochan Wang, Guo Zhao, Yinyan Shi, Yao Wu. (2023) In-situ SERS detection of quinolone antibiotic residues in aquaculture water by multifunctional Fe3O4@mTiO2@Ag nanoparticles. SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY, 302 (123056).
3. Liangyong Wang, Yaolong Zhu, Chenyang Gan. (2023) Nonlinear model predictive control of crystal size in batch cooling crystallization processes. JOURNAL OF PROCESS CONTROL, 128 (103020).
4. Huijuan Ma, Qi Shu, Peiyao Wang, Ruilin Qin, Sijia Li, Huan Xu. (2023) Formaldehyde exacerbates asthma in mice through the potentiation of HIF-1α-mediated pro-inflammatory responses in pulmonary macrophages. CHEMICO-BIOLOGICAL INTERACTIONS, 379 (110514).
5. Ying Cheng, Chen Chen, Fang Wang, Zilin Chen. (2023) A highly sensitive signal-on biosensor based on restriction enzyme-mediated molecular switch for detection of TET1. BIOELECTROCHEMISTRY, 152 (108433).
6. Honglong Xing, Zeng Chen, Ping Fan, Zichen Liu, Ping Yang, Xiaoli Ji. (2023) Polyindole-Derived Nitrogen-Doped Carbon Nanosphere/Al2O3 Composites with High-Performance Microwave Absorption. ACS Applied Electronic Materials, 5 (1): (559–570).
7. Liangyong Wang, Yaolong Zhu. (2022) Neural-Network-Based Nonlinear Model Predictive Control of Multiscale Crystallization Process. Processes, 10 (11): (2374).
8. Chenyang Gan, Liangyong Wang, Shunkai Xiao, Yaolong Zhu. (2022) Feedback Control of Crystal Size Distribution for Cooling Batch Crystallization Using Deep Learning-Based Image Analysis. Crystals, 12 (5): (570).
9. Cui-Mei Liu, Hong-Yuan He, Lin Xu, Zhen-Dong Hua. (2020) New qualitative analysis strategy for illicit drugs using Raman spectroscopy and characteristic peaks method. Drug Testing and Analysis, 13 (3): (720-728).
10. Ai-hong Guan, Yong-yang Chao. (2019) Quantitative analysis of alum based on Terahertz time-domain spectroscopy technology and Support vector machine. OPTIK, 193 (163017).
11. Liang Huiyi, Peng Bo, Dong Cong, Liu Lixin, Mao Jiaji, Wei Song, Wang Xinlu, Xu Hanshi, Shen Jun, Mao Hai-Quan, Gao Xiaohu, Leong Kam W., Chen Yongming. (2018) Cationic nanoparticle as an inhibitor of cell-free DNA-induced inflammation. Nature Communications, 9 (1): (1-14).
12. Qian Li, Zhen Zeng, Lei Huang, Sijie Zhao, Jia Yan, Xiaoyu Zhao, Zhenxin Chen, Hongguo Zhang. (2024) Depth analysis of the mechanism for fluoride removal by adsorption of schwertmannite: Experiments and theoretical calculations. JOURNAL OF MOLECULAR LIQUIDS, 401 (124658).
13. Yanfei Fan, Dandan Gao, Dongdong Li, Dewen Zeng. (2025) Dissolution and recrystallization of alum to separate cesium, rubidium and potassium using their different precipitation kinetics to reach higher purity than solubility equilibria based purity of MAl(SO4)2 (M = Cs, Rb, K). HYDROMETALLURGY, 233 (106454).
14. Ming Guan, Yao Chen, Xin Li, Yunli Wang, Xiaojing Kang, Xingjun Hu, Liang Qu, Guanghua Li. (2024) Evaluation of color degradation on unearthed silks: A data analytical strategy based on microfading spectrometry. JOURNAL OF CULTURAL HERITAGE, 66 (501).
15. Zhen Zeng, Qisheng Huang, Qian Li, Jia Yan, Xiaoyu Zhao, Lei Huang, Sijie Zhao, Hongguo Zhang. (2024) Experimental and DFT calculation study on the efficient removal of high fluoride wastewater from metallurgical wastewater by kaolinite. ENVIRONMENTAL RESEARCH, 260 (119604).
16. Huijuan Ma, Tingqian Wang, Junfeng Wang, Peiyao Wang, Qi Shu, Ruilin Qin, Sijia Li, Huan Xu. (2024) Formaldehyde exacerbates inflammation and biases T helper cell lineage commitment through IFN-γ/STAT1/T-bet pathway in asthma. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY, 280 (116534).
17. Dongyin Niu, Tiantian Zhang, Xuedan Zhang, Yufei Tan, Lukai Zhai. (2024) Thermal Performance and Structural Optimization of Electric Heating Module Based on KAl(SO4)2·12H2O/Expanded Graphite Composite Phase-Change Material. Energy Technology, (2400707).

Solution Calculators

Molarity Calculator

Determine the necessary mass, volume, or concentration for preparing a solution.

Mass

=

Concentration

x

Volume

x

M. Wt*

g/mol

*When preparing stock solutions, always use the batch-specific molecular weight of the product found on the vial label and the Certificate of Analysis (available online).

Dilution Calculator

Determine the dilution needed to prepare a stock solution.

Concentration 1 (C1)

x

Volume 1 (V1)

=

Concentration 2 (C2)

x

Volume 2 (V2)

Reconstitution Calculator

The reconstitution calculator enables you to quickly determine the volume of a reagent needed to reconstitute your vial. Just enter the mass of the reagent and the target concentration, and the calculator will do the rest.

Volume (to add to vial)

=

Mass (in vial)

÷

Desired Reconstitution Concentration

SKU	Size	Availability	Price	Qty
A434084-100g	100g	2	$208.90
A434084-500g	500g	2	$835.90

Aluminum potassium sulfate dodecahydrate - BioReagent Plus, ≥98.0%, high purity , CAS No.7784-24-9